Chapter 9: Spectroscopy Flashcards
1
Q
Higher frequency is caused by…
A
deshielding effects
2
Q
Lower frequency is caused by…
A
shielding effects
3
Q
What is signal splitting caused by?
A
spin-spin coupling
4
Q
Integration is proportional to…
A
the amount of hydrogens producing a signal
5
Q
What does an M+1 peak indicate?
mass spectometry
A
Carbon 13 isotope
6
Q
What does a 1:1 M+2 peak indicate?
mass spectometry
A
Bromine isotope
7
Q
What does a small M+2 peak indicate?
mass spectometry
A
Oxygen 18 isotope
8
Q
What is something to consider about resonance in NMR spectra?
A
activating/deactivating groups can affect shift due to electron density
9
Q
What does a 1:3 M+2 peak indicate?
mass spectometry
A
Chlorine isotope
